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Bi-level optimization problems are a class of challenging optimization problems, that contain two levels of optimization tasks. In these problems, the optimal solutions to the lower level problem become possible feasible candidates to the upper level problem. Such a requirement makes the optimization problem difficult to solve, and has kept the researchers busy towards devising methodologies, which...
Capacitated Arc Routing Problem (CARP) has drawn much attention during the last few years because of its applications in the real world. Recently, we developed a Memetic Algorithm with Extended Neighborhood Search (MAENS), which is powerful in solving CARP. The excellent performance of MAENS is mainly due to one of its local search operators, namely the Merge-Split (MS) operator. However, the higher...
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